Document file attachments in agent editor chat

agent/index.mdx

@@ -26,7 +26,7 @@ Use the agent to:
 
 - Write new content based on your prompts, pull requests, Slack threads, or file attachments.
 - Update existing documentation for new features or API changes.
-- Process and include images, diagrams, and other files from Slack attachments.
+- Process and include images, diagrams, and other files attached from Slack or the editor chat.
 - Search and revise code examples and API references across your docs.
 - Reference source code from any repository that has the Mintlify GitHub App installed.
 - Automate documentation maintenance with workflows.

agent/use-cases.mdx

@@ -44,7 +44,14 @@ For example: `@mintlify Generate a code example to make the authentication metho
 
 ## Add images or files to your docs
 
-Attach files or images directly to your Slack message when prompting the agent. The agent processes the attachment and includes it in the documentation.
+Attach files or images directly to your prompt when working with the agent. The agent processes the attachment and includes it in the documentation.
+
+You can attach files from:
+
+- **Slack**: Upload files alongside your `@mintlify` message in any channel or thread.
+- **The editor chat**: In the web editor, open the agent panel and use the paperclip icon, drag and drop files into the chat, or paste files directly into the message box.
+
+Supported file types include images, PDFs, JSON, Markdown, plain text, and common code files. You can attach up to 10 files per message, with each file up to 5 MB.
 
 For example: `@mintlify Add this diagram to the architecture overview page` with the image attached to the message.